×

Exudate-absorptive, adhesive-backed dermal patch for use while collecting a blood sample

  • US 4,978,342 A
  • Filed: 10/24/1988
  • Issued: 12/18/1990
  • Est. Priority Date: 02/24/1987
  • Status: Expired due to Fees
First Claim
Patent Images

1. A prepared bandage for use while collecting a blood sample from an animate subject using a transcutaneous cannula,said bandage comprising:

  • an adhesive-backed strip arranged to be stuck onto the skin of the subject, said strip having means defining an opening therethrough for surrounding a site where a blood sample is to be taken;

    an annular, upstanding collar secured on said strip surrounding said opening so that an inner peripheral surface of said strip surrounding said opening and an inner peripheral surface of said collar, provide a sump, bottomed, in use, by the subject'"'"'s skin;

    a plug made of absorptive material capable of absorbing liquid exudate expected from puncturing the skin and subcutaneous tissue for taking venous blood from the subject, said plug being received in said sump and engaged by said inner peripheral surface of said collar so as to be retained in said sump.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×